Home / 31,638.29-43,659.45-17,297.87

Finding the Fourth Proportional to 31,638.29, 43,659.45 and 17,297.87

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Solution

The fourth proportional to 31,638.29, 43,659.45 and 17,297.87 is: 23,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.29 : 43,659.45 = 17,297.87 : x
  2. Step 2: Convert to fraction form
    31,638.29/43,659.45 = 17,297.87/x
  3. Step 3: Cross multiply
    31,638.29x = 43,659.45 × 17,297.87
  4. Step 4: Simplify right side
    31,638.29x = 755,215,272.07
  5. Step 5: Solve for x
    x = 755,215,272.07/31,638.29
  6. Step 6: Final answer
    x = 23,870.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.